CVE-2023-5568

NameCVE-2023-5568
DescriptionA heap-based Buffer Overflow flaw was discovered in Samba. It could allow a remote, authenticated attacker to exploit this vulnerability to cause a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)bullseye (security), bullseye2:4.13.13+dfsg-1~deb11u6fixed
bookworm, bookworm (security)2:4.17.12+dfsg-0+deb12u1fixed
trixie2:4.20.2+dfsg-6fixed
sid2:4.20.2+dfsg-7fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasourcebuster(not affected)
sambasourcebullseye(not affected)
sambasourcebookworm(not affected)
sambasource(unstable)2:4.19.2+dfsg-1

Notes

[bookworm] - samba <not-affected> (Vulnerable code introduced later)
[bullseye] - samba <not-affected> (Vulnerable code introduced later)
[buster] - samba <not-affected> (Vulnerable code introduced later)
https://bugzilla.samba.org/show_bug.cgi?id=15491
https://gitlab.com/samba-team/samba/-/merge_requests/3310
https://github.com/samba-team/samba/commit/3280893ae80507e36653a0c7da03c82b88ece30b

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